 two things. First of all, I've really been taking a close look at carbon credits as a trading mechanism, a fiduciary instrument. This has been going on for years. I think this is really part of the larger picture of the economics of global warming, which is kind of a long topic. Everyone would point out, though, that I actually have a background in material science and worked on it for many years with optical computing, and that's actually coming. Now, if that happens in a large-scale way, you'll see this transition in the next maybe five to seven years, which is going to reduce